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1.本方法对在普通车间生产现场进行验收交货试验时,在离葫芦表面1米处用声级计测定等效声级作出规定。2.当用声级计测定声级时,被测试葫芦相对于反射物的位置应为:从测量点(从麦克
1. The method of acceptance test delivery in the ordinary workshop production site, the sound level meter to determine the equivalent sound level at 1 meter from the gourd surface to make provisions. 2. When using the sound level meter to determine the sound level, the tested gourd relative to the reflector position should be: from the measurement point (from Mike